Tree pruner hook



FIG. 1 is a front elevational view of a tree pruner hook showing my new design;

FIG. 2 is a left end view thereof;

FIG. 3 is a right end view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a front elevational view thereof with the broken line showing of tree pruner elements being for illustrative purposes only and forming no part of the claimed design. 

The ornamental design for a tree pruner hook, as shown and described. 